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Sankara Nethralaya
Sankara Nethralaya
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Glaucoma Diagnosis

Glaucoma is a disease where there is a raise in the intra-ocular pressure, optic disc changes and an associated visual field loss.

Intra - ocular pressure measurement
Applanation Tonometry
Non Contact Tonometry
Pascal DCT
Perkins tonometer
Reichert Ocular response analyzer
Rebound tonometer
Anterior segment Imaging ; Visante AS-OCT (Zeiss)
Optic nerve evaluation by
Digital Fundus photography (Zeiss)
GDx VCC nerve analyzer (Zeiss)
HD Optical Coherence Tomography (Zeiss)
Heidelberg retinal tomogram
Ultrasound Biomicroscopy
Swept source OCT
Visual field testing by
Humphrey Visual field analyzer
Frequency Doubling Perimetry
Blue on yellow perimetry
Differential light sensitivity
Based on the above tests the type of glaucoma is diagnosed.
Lasers available:
ND YAG laser (Zeiss)
Argon Laser (Zeiss)
Diode Laser(Iridex)
Lumenis SLT/YAG integrated combo Laser (Selecta Duet)
Endoscopic Cyclophotocoaglation


Glaucoma is the second most blinding disease in the World. It is known as the "Silent thief of sight" as most of the types of glaucoma are asymptomatic